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Virginia Petroleum Convenience and Grocery Association — The Virginia Petroleum Convenience and Grocery Association (VPCGA) is a statewide trade association formed in 1948 providing advocacy, educational and networking services to its membership.Until 1999, the Association was known as the Virginia… … Wikipedia

Petroleum industry — The distribution of oil and gas reserves among the world s 50 largest oil companies. The reserves of the privately owned companies are grouped together. The oil produced by the supermajor companies accounts for less than 15% of the total world… … Wikipedia

Petroleum product — Petroleum products are useful materials derived from crude oil (petroleum) as it is processed in oil refineries. According to crude oil composition and demand, refineries can produce different shares of petroleum products. Largest share of oil… … Wikipedia

Oil analysis — (OA) is the laboratory analysis of a lubricant s properties, suspended contaminants, and wear debris. OA is performed during routine preventive maintenance to provide meaningful and accurate information on lubricant and machine condition. By… … Wikipedia

petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… … Universalium

petroleum — petroleous, adj. /peuh troh lee euhm/, n. an oily, thick, flammable, usually dark colored liquid that is a form of bitumen or a mixture of various hydrocarbons, occurring naturally in various parts of the world and commonly obtained by drilling:… … Universalium

Oil refinery — Anacortes Refinery (Tesoro), on the north end of March Point southeast of Anacortes, Washington An oil refinery or petroleum refinery is an industrial process plant where crude oil is processed and refined into more useful petroleum products,… … Wikipedia